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Add 40/70 and 45/64

40/70 + 45/64 is 571/448.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 64 is 2240
  2. For the 1st fraction, since 70 × 32 = 2240,
    40/70 = 40 × 32/70 × 32 = 1280/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    45/64 = 45 × 35/64 × 35 = 1575/2240
  4. Add the two fractions:
    1280/2240 + 1575/2240 = 1280 + 1575/2240 = 2855/2240
  5. 2855/2240 simplified gives 571/448
  6. So, 40/70 + 45/64 = 571/448
    In mixed form: 1123/448

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